CN103040546A - Bone connector - Google Patents
Bone connector Download PDFInfo
- Publication number
- CN103040546A CN103040546A CN2012105865687A CN201210586568A CN103040546A CN 103040546 A CN103040546 A CN 103040546A CN 2012105865687 A CN2012105865687 A CN 2012105865687A CN 201210586568 A CN201210586568 A CN 201210586568A CN 103040546 A CN103040546 A CN 103040546A
- Authority
- CN
- China
- Prior art keywords
- sliding shoe
- pubis
- acetabular cup
- adjustment rack
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Abstract
The invention provides a bone connector which comprises an acetabular cup connecting rack and a pubic connecting rack. The acetabular cup connecting rack is used for being connected with an acetabular cup. The pubic connecting rack is disposed on the acetabular cup connecting rack. The acetabular cup connecting rack comprises an adjusting rack and a circular slider disposed in the same. The circular slider is connected with the acetabular cup and is capable of sliding lengthwise along the adjusting rack. The adjusting rack is provided with a bolt. The pubic connecting rack is screwed to the bolt and comprises a conical bar used for being connected with human pubis. The slider is circular and capable of sliding lengthwise along the adjusting rack, so that the acetabular cup is capable of rotating with the slider on the adjusting rack and sliding lengthwise along the adjusting rack, and the acetabular cup is adjusted in three directions. Therefore, adjustment is made according to actual conditions as far as possible during surgery. In addition, the bone connector is made of easy fitting structures such as bolts and nuts, so that the bone connector can be connected in an assembled manner.
Description
Technical field
The present invention relates to a kind of medical human artificial limb, particularly a kind of bone connecting device that can regulate.
Background technology
Have multiclass artificial hip joint kind of design in the clinical treatment engineering field, and the tumorous type artificial hip joint is a class wherein.The tumorous type artificial hip joint mainly comprises four parts: 1, pelvis prosthesis, 2, acetabular cup, 3, the pubis connecting device, 4, the artificial hip prosthesis.The pubis connecting device is used for the tumorous type artificial hip joint and realizes pelvis, femur and pubis connection and positioning.
Existing tumorous type artificial hip prosthesis pubis connecting device is mainly tack plate structure, adopts the steel plate that customizes to be connected with pubis with acetabular cup respectively and adopts screw to be connected.The weak point of this pubis connecting device is clearly, is mainly manifested in to realize that assembly type connects, and is difficult in the operation process adjusting the inconvenience that therefore causes prosthese to implant and overhaul according to practical situation.
Summary of the invention
In view of this, the bone connecting device that is necessary to provide a kind of ease of assembly and can adjusts in real time is to overcome above-mentioned deficiency.
According to an aspect of the present invention, a kind of bone connecting device is provided, comprise the acetabular cup link 10 and the pubis link 11 that are connected, wherein: described acetabular cup link 10 comprises adjustment rack 101, the first sliding shoe 102, the second sliding shoe 103, screw rod (104), described the first sliding shoe 102, the second sliding shoe 103 is circular configuration, and be separately positioned on described adjustment rack 101 both sides, described the first sliding shoe 102 is arranged on the step of described adjustment rack 101, and be subject to the edge of described adjustment rack 101 frameworks, described adjustment rack 101 is a hollow cuboid, and be a terraced structure, one end of described adjustment rack 101 is provided with described screw rod 104, and described the first sliding shoe 102 and the second sliding shoe 103 are connected by bolt; Described pubis link 11 comprises pubis bar 111, is set in nut 112 and a snap ring 113 that is used for locating described nut 112 in the described pubis bar 111, and described screw rod 104 connects described nut 112.
Preferably, described pubis bar 111 comprises the sleeve 114 that connects successively, platform 118, and shape bar (115), one end of described sleeve 114 offers cannelure 116, the other end is stepped hole 117, described snap ring 113 is fastened in the described cannelure 116, the overall diameter of the diameter of the large diameter hole of described stepped hole 117 and described nut 112 is suitable, the diameter of the diameter of the small diameter bore of described stepped hole 117 and described screw rod 104 is suitable, described screw rod 104 is inserted in the described sleeve 114, one end of described nut 112 is supported on described stepped hole 117, the other end is then located by described snap ring 113, described snap ring 113 is an elastic circlip, when described snap ring 113 is narrowed down to minimum diameter, can insert with the end from the large diameter hole of described sleeve 114, and be fastened in the described cannelure 116
Preferably, on described tapered rod 115, be provided with the spherical nest that the interval equates along the bar length direction.
Preferably, partly or entirely parts are made by metal material.
Be compared with the prior art, among the present invention, because described sliding shoe is circular configuration, and the length of energy adjustment rack is slided, so that acetabular cup can namely can rotate on adjustment rack with sliding shoe, also can slide along the length direction of adjustment rack, thereby realize the adjustment of this acetabular cup on three directions.Thereby in operation process, can adjust according to practical situation as much as possible.In addition, this bone connecting device all uses the easy package assembly such as bolt, nut to make, thereby can realize that assembly type connects.
Description of drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the STRUCTURE DECOMPOSITION sketch map of a kind of bone connecting device provided by the invention.
Fig. 2 is the package assembly sketch map of the bone connecting device shown in Fig. 1.
Fig. 3 is the cutaway view of the pubis bar that has of the bone connecting device shown in Fig. 1.
The specific embodiment
The present invention is described in detail below in conjunction with specific embodiment.Following examples will help those skilled in the art further to understand the present invention, but not limit in any form the present invention.Should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
See also Fig. 1 and Fig. 2, be the STRUCTURE DECOMPOSITION sketch map of a kind of bone connecting device provided by the invention.Described bone connecting device comprises one for acetabular cup link 10 and a pubis link 11 that is arranged on this acetabular cup link 10 of being connected with the acetabular cup (not shown).The whole metal material that can use of described bone connecting device is made.
Described acetabular cup link 10 comprises an adjustment rack 101, also comprises the first sliding shoe 102, the second sliding shoe 103 that are arranged in this adjustment rack 101.Described the first sliding shoe 102, the second sliding shoe 103 are connected with acetabular cup, are used for when adjusting this first sliding shoe 102, make acetabular cup follow 102 slips of the first sliding shoe, and then adjust the relative position between this bone connecting device and the acetabular cup.Described adjustment rack 101 is a hollow cuboid in the present embodiment, and is a terraced structure, and this step is equivalent to a guide rail, thereby described the first sliding shoe 102, the second sliding shoe 103 are slided along this guide rail.Therefore, the length of this step can arrange according to the actual needs.One end of described adjustment rack 101 comprises a screw rod 104, and this screw rod 104 is used for installing described pubis link 11.Described the first sliding shoe 102, the second sliding shoe 103 are circular configuration, and are separately positioned on described adjustment rack 101 both sides.Described the first sliding shoe 102 is arranged on the step of adjustment rack 101, and be subject to the edge of adjustment rack 101 frameworks, to limit the transverse movement of this first sliding shoe 102, but the length of adjustment rack 101 is greater than the diameter of the first sliding shoe 102, so that described the first sliding shoe 102, the second sliding shoe 103 can be adjusted along the length direction of adjustment rack 101.Described the first sliding shoe 102 and the second sliding shoe 103 are fixed by two bolts (not shown) that is connected, and by this bolt this acetabular cup link 10 are connected with acetabular cup simultaneously.
Described pubis link 11 comprises that one is used for the pubis bar 111 that is connected with the human body pubis, a nut 112 that is set in pubis bar 111 and a snap ring 113 that is used for locating described nut 112.See also Fig. 3, described pubis bar 111 comprises a sleeve 114 and a tapered rod 115 that is connected with this sleeve 114.Described sleeve 114 is for fixing sheathed described nut 112, and the one end offers a cannelure 116, and the other end is a stepped hole 117.Described cannelure 116 is used for card and establishes described snap ring 113.The overall diameter of the diameter of the large diameter hole of described stepped hole 117 and nut 112 is suitable, and the diameter of the screw rod 104 of the diameter of small diameter bore and adjustment rack 101 is suitable, so that this screw rod 104 inserts in this sleeve 114.Described nut 112 inserts from an end of the large diameter hole of sleeve 114, and supports on described stepped hole 117, and the other end of this nut 112 is then fixed by snap ring 113.Described snap ring 113 is an elastic circlip, when it is narrowed down to minimum diameter, can insert from an end of the large diameter hole of sleeve 114, and is fastened in the cannelure 116, fixes described nut 112 thereby cooperate with stepped hole 117.The length of described tapered rod 115 and diameter are determined according to the osteotomy length of human body pubis and pulp cavity size, are designed to assembly type series part, in order to inserting the pubis pulp cavity, to realize and being connected and fixing of pubis; Simultaneously, be designed with the spherical nest that the interval equates along tapered rod 115 bar length directions, in order to grow into and fixing pubis.Also be provided with a platform 118 between described tapered rod 115 and sleeve 114, this platform 118 is used for cooperating with human body pubis end face, to reduce the pressure to the human body pubis.
When assembling, at first the first sliding shoe 102 of acetabular cup link 10, the second sliding shoe 103 are fixed with bolt with acetabular cup.Then assemble described pubis link 11, namely first with in the sheathed sleeve 114 that enters pubis bar 111 of nut 112, card is established into snap ring 113 again, and the nut 112 with this pubis link 11 is screwed on the screw rod 104 of acetabular cup link 10 at last, thereby assembles out bone connecting device provided by the present invention.
Because described the first sliding shoe 102, be circular configuration, and the length of adjustment rack 101 is greater than the diameter of the first sliding shoe 102, so that acetabular cup can namely can rotate on adjustment rack 101 with the first sliding shoe 102, also can slide along the length direction of adjustment rack 101, thereby realize adjustment on its three directions.Simultaneously, because acetabular cup link 10 is connected by nut 112 with pubis link 11, the degree of depth that is screwed into by swivel nut 112 and nut 112, can realize rotation adjustment and the translation adjustment of acetabular cup link 10 and pubis link 11, thereby in operation process, can adjust according to practical situation as much as possible.In addition, this bone connecting device all uses the easy package assembly such as bolt, nut to make, thereby can realize that assembly type connects.
More than specific embodiments of the invention are described.It will be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (4)
1. bone connecting device, it is characterized in that, comprise the acetabular cup link (10) and the pubis link (11) that are connected, wherein: described acetabular cup link (10) comprises adjustment rack (101), the first sliding shoe (102), the second sliding shoe (103), screw rod (104), described the first sliding shoe (102), the second sliding shoe (103) is circular configuration, and be separately positioned on described adjustment rack (101) both sides, described the first sliding shoe (102) is arranged on the step of described adjustment rack (101), and be subject to the edge of described adjustment rack (101) framework, described adjustment rack (101) is a hollow cuboid, and be a terraced structure, one end of described adjustment rack (101) is provided with described screw rod (104), and described the first sliding shoe (102) is connected by bolt with the second sliding shoe (103); Described pubis link (11) comprises pubis bar (111), is set in nut (112) and a snap ring (113) that is used for locating described nut (112) in the described pubis bar (111), and described screw rod (104) connects described nut (112).
2. bone connecting device according to claim 1, it is characterized in that, described pubis bar 111 comprises the sleeve (114) that connects successively, platform (118), and shape bar (115), one end of described sleeve (114) offers cannelure (116), the other end is stepped hole (117), described snap ring (113) is fastened in the described cannelure (116), the overall diameter of the diameter of the large diameter hole of described stepped hole (117) and described nut (112) is suitable, the diameter of the diameter of the small diameter bore of described stepped hole (117) and described screw rod (104) is suitable, described screw rod (104) is inserted in the described sleeve (114), one end of described nut (112) is supported on described stepped hole (117), the other end is then located by described snap ring (113), described snap ring (113) is an elastic circlip, when with described snap ring (113) when narrowing down to minimum diameter, can insert from an end of the large diameter hole of described sleeve (114), and be fastened in the described cannelure (116).
3. bone connecting device according to claim 2 is characterized in that, upward is provided with the spherical nest that the interval equates along the bar length direction at described tapered rod (115).
4. bone connecting device according to claim 1 is characterized in that, partly or entirely parts are made by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210586568.7A CN103040546B (en) | 2012-12-28 | 2012-12-28 | Bone connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210586568.7A CN103040546B (en) | 2012-12-28 | 2012-12-28 | Bone connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103040546A true CN103040546A (en) | 2013-04-17 |
| CN103040546B CN103040546B (en) | 2015-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210586568.7A Active CN103040546B (en) | 2012-12-28 | 2012-12-28 | Bone connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103040546B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601661A (en) * | 2016-02-16 | 2018-09-28 | 沃尔德马连接两合公司 | Implantation material for Acetabular reconstruction and at least partly pelvic structures |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060161261A1 (en) * | 2004-05-04 | 2006-07-20 | Biomet Manufacturing Corp. | Method and apparatus for constructing a modular acetabulum |
| CN102048598A (en) * | 2009-10-27 | 2011-05-11 | 上海交通大学医学院附属第九人民医院 | Artificial half pelvic prosthesis with support structure |
| CN102614035A (en) * | 2012-04-26 | 2012-08-01 | 上海晟实医疗器械科技有限公司 | Semi-pelvic prosthesis |
| CN102688111A (en) * | 2012-06-08 | 2012-09-26 | 上海晟实医疗器械科技有限公司 | Half-pelvic prosthesis for patients with all ilium and acetabulum cut off |
| CN203059978U (en) * | 2012-12-28 | 2013-07-17 | 上海交通大学 | Bone connecting device |
-
2012
- 2012-12-28 CN CN201210586568.7A patent/CN103040546B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060161261A1 (en) * | 2004-05-04 | 2006-07-20 | Biomet Manufacturing Corp. | Method and apparatus for constructing a modular acetabulum |
| US20120046755A1 (en) * | 2004-05-04 | 2012-02-23 | Biomet Manufacturing Corp. | Prosthetic Hip Device and Associated Method |
| CN102048598A (en) * | 2009-10-27 | 2011-05-11 | 上海交通大学医学院附属第九人民医院 | Artificial half pelvic prosthesis with support structure |
| CN102614035A (en) * | 2012-04-26 | 2012-08-01 | 上海晟实医疗器械科技有限公司 | Semi-pelvic prosthesis |
| CN102688111A (en) * | 2012-06-08 | 2012-09-26 | 上海晟实医疗器械科技有限公司 | Half-pelvic prosthesis for patients with all ilium and acetabulum cut off |
| CN203059978U (en) * | 2012-12-28 | 2013-07-17 | 上海交通大学 | Bone connecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601661A (en) * | 2016-02-16 | 2018-09-28 | 沃尔德马连接两合公司 | Implantation material for Acetabular reconstruction and at least partly pelvic structures |
| CN108601661B (en) * | 2016-02-16 | 2020-06-16 | 沃尔德马连接两合公司 | Implant for reconstructing acetabulum and at least part of pelvic structure |
| US11419728B2 (en) | 2016-02-16 | 2022-08-23 | Waldemar Link Gmbh & Co. Kg | Implant for reconstructing an acetabulum and at least part of a pelvic structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103040546B (en) | 2015-04-01 |
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| C14 | Grant of patent or utility model | ||
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